From: Ekaterina Sobakinskaja (Ekaterina.Sobakinskaja_at_jku.at)
Date: Wed Jan 24 2018 - 13:58:29 CST
Hi Giacomo,
thank you very much for your explanations. I have figured out the problem and now everything works!
with best regards,
katja
>>> Giacomo Fiorin <giacomo.fiorin_at_gmail.com> 24.01.18 17:12 >>>
Hi Katja, the error:
colvars: Too many iterations in routine jacobi.
is given by the function that computes the rotational alignment/fitting onto a reference structure. It's very likely that one the RMSD restraints in the colvars.conf file included in the tutorial is losing its structure.
Try looking at the trajectory in VMD and see what's going on. You may have to make DCDfreq smaller to have the output written frequently.
Giacomo
On Wed, Jan 24, 2018 at 10:27 AM, Ekaterina Sobakinskaja <Ekaterina.Sobakinskaja_at_jku.at> wrote:
Dear NAMD users,
in my simulations I need to rotate 2 helices in the protein complex to obtain conformation I need. Other helices must remain in their places.
I'm going to use nonequlibrium SMD protocol. I was trying the example GlPt, given in the Tutorial, and fixed few helices in the protein, using
fixedAtoms on
fixedAtomsFile fixed_atoms.ref
fixedAtomsCol B
I have also modified colvars.conf accordingly.
The simulations were started, but then I got the error message:
Reason: FATAL ERROR: Error in the collective variables module: exiting.
colvars: Too many iterations in routine jacobi.
FATAL ERROR: Error in the collective variables module: exiting.
How can I resolve it? Or may be I should use another method to solve my problem?
Any help will be appreciated!
thank you in advance,
Katja
-- Giacomo Fiorin Associate Professor of Research, Temple University, Philadelphia, PA Contractor, National Institutes of Health, Bethesda, MD http://goo.gl/Q3TBQU https://github.com/giacomofiorin
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